Behavior influences how organisms experience the environment and thus patterns of natural selection on behavioral traits. Which of the following examples is consistent with this statement? Some lizards in complex tropical forests prefer to hang out on tree trunks and branches, rather than the ground substrate, which has resulted in selection for shorter relative limb length and toe pads that can cling to bark. Ground-burrowing mammals experience greater exposure to dust and increased selection on their respiratory system to filter these particulates. Specialist parasitoids only target a handful of different host/prey types, resulting in a predictable resource and less selection on the ability to learn new resources All of the above Imagine that scientists have just discovered a weird new marine tunicate at extreme depths of the ocean. They have a novel kind of neurotransmitter – maritonin – that binds to the “maritonin” receptor, which is permeable to negatively charged iodine ions (which are high concentration in seawater and in the extracellular fluid of this species). What do you predict would happen to the postsynaptic neuron when maritonin is released? Depolarization of the postsynaptic cell, increasing the chance of an action potential Hyperpolarization of the postsynaptic cell, decreasing the chance of an action potential Depolarization of the postsynaptic cell, decreasing the chance of an action potential Hyperpolarization of the postsynaptic cell, increasing the chance of an action potential

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter52: Animal Behavior

Section: Chapter Questions

Problem 15TYU

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Behavior influences how organisms experience the environment and thus patterns of natural selection on behavioral traits. Which of the following examples is consistent with this statement?

Some lizards in complex tropical forests prefer to hang out on tree trunks and branches, rather than the ground substrate, which has resulted in selection for shorter relative limb length and toe pads that can cling to bark.
Ground-burrowing mammals experience greater exposure to dust and increased selection on their respiratory system to filter these particulates.
Specialist parasitoids only target a handful of different host/prey types, resulting in a predictable resource and less selection on the ability to learn new resources
All of the above

Imagine that scientists have just discovered a weird new marine tunicate at extreme depths of the ocean. They have a novel kind of neurotransmitter – maritonin – that binds to the “maritonin” receptor, which is permeable to negatively charged iodine ions (which are high concentration in seawater and in the extracellular fluid of this species). What do you predict would happen to the postsynaptic neuron when maritonin is released?

Depolarization of the postsynaptic cell, increasing the chance of an action potential
Hyperpolarization of the postsynaptic cell, decreasing the chance of an action potential
Depolarization of the postsynaptic cell, decreasing the chance of an action potential
Hyperpolarization of the postsynaptic cell, increasing the chance of an action potential

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